This replacement foil and cutter combo pack will fit the following Braun shavers model No. 4005; 4010; 4015; 4501; 4504; 4505; 4510; 4515; 4520; 4525; 4550; 4605; 4615; 4775; 4875; 5403; 5437; 5471; 5472; 5473; 5501; 5502; 5580; 5584; 5585; 5586; 7680; 7505 & Series 3-340 (not wet & dry).; Foil and cutterblock.; Fit’s Braun Series 3 & 7000/4000 range of shavers.; Blades should be replaced every eighteen months.; Replacing your blade gives a 25% better shave. For optimum performance; clean regularly.; Brings back 100% performance.; (Formerly 4700)